Seeking a Full Stack Developer with strong backend and systems-level development experience to support enterprise applications, API development, and cloud-based solutions. The role focuses on building scalable services, integrating payment systems, and working within AWS environments.
Key Responsibilities:
- Develop and maintain backend services and APIs using JAVA within Windows Server environments
- Design and optimize database solutions using Oracle DB and PL/SQL
- Build and support cloud-based applications leveraging AWS (EC2, RDS, S3)
- Implement and maintain secure, high-performance integrations (including payment gateways such as TSYS and Financial/EMV)
- Develop Windows Services and background job processing components
- Support multi-tenant application architectures and distributed systems
- Work on low-level networking solutions including TCP/IP socket programming
- Collaborate with cross-functional teams to modernize legacy .NET systems
- Implement secure file transfer and encryption integrations (SFTP, RSA certificates)
- Contribute to system scalability, performance tuning, and reliability improvements
Required Skills:
- Strong experience with C#/.NET development
- Expertise in Oracle DB and PL/SQL
- Experience building Windows Server-based APIs
- Hands-on experience with AWS services (EC2, RDS, S3)
Preferred Qualifications:
- Experience with Windows Services and asynchronous/background processing
- Knowledge of payment processing systems and POS/payment integrations
- Familiarity with multi-tenant architecture design
- Experience with TCP/IP socket programming
Nice to Have:
- Experience with SFTP and RSA-based integrations
- Exposure to legacy application modernization (especially .NET)
- Awareness of AI/ML integration strategies